His pseudonym "Oh! great" is a play on words. His pen name, written in Japanese order (family name before given name), is "Ōgure Ito", which is pronounced similarly to and can be romanized the same as the Japanese rendering of the English words "Oh great", ōgurēto[oːɡuɽeːto]. Furthermore, "Oh" can mean "king" in Japanese, making it possible to read the name as "the great king".

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Characteristics of Oh! great's style include violent plots, the use of English words amidst kanji and highly sexualized female characters that provide large amounts of fan service. Oh! Great also often includes the themes of Flashbacks and Back-Story in all of his stories as it has become a big part of his manga.

In one unusual Tokyo high school, education takes a backseat to brawling as warring clubs wreak havoc in the hallways and chaos in the classrooms, all vying to be the baddest team around! Although they often contribute their fair share, only a handful of students serve to stem the tide of violence in this untamed outpost. These are the few, the proud, the powerful: the members of the Juken Club!

Itsuki Minami needs no introduction – everybody’s heard of the “Babyface” of the Eastside. He’s the toughest kid at Higashi Junior High School, easy on the eyes but dangerously tough when he needs to be. Plus, Itsuki lives with the mysterious and sexy Noyamano sisters. Life is never dull, but it becomes dangerous when Itsuki leads his school to victory over some vindictive Westside punks with gangster connections. Now he stands to lose his school, his friends, and everything he cares about. But in his darkest hour, the Noyamano girls come to Itsuki’s aid. They can teach him a powerful skill that will save their school from the gangsters’ siege–and introduce Itsuki to a thrilling and terrifying new world.

Silky Whip

Silky Whip is a collection of different Hentai short stories, it has a sequel called Silky Whip Extreme. The first Oh! great creation released outside Japan, published by Eros Comix.

Original PSX Character Design.[2] Himejima Himiko doesn't know who her parents are. In fact, she can't remember much about her past at all. She, in fact, is a sacred child from a parallel fantasy realm. At the event of her birth, during a sacred flame ritual, an evil general with sadistic intentions invades the palace, causing the six guardians of the flame to be dispersed, and nearly killing Himiko. Several years later, Himiko and her adoptive brother return to Himiko's homeland, to find it torn apart by war; it's up to Himiko to reunite the six guardians and return order to the realm.

Majin Devil

Majin Devil is the connection of two stories. It begins with a young gang member who is transformed into a monster by the Majin Devil. The second is the story of how one boy genius uses his intellect to defeat the Majin Devil with the help of some allies he meets along the way.

Naked Star

A collection of short Hentai stories set in various dystopian futures.